Urea,N-butyl-N-nitroso-
Names
[ CAS No. ]:
869-01-2
[ Name ]:
Urea,N-butyl-N-nitroso-
[Synonym ]:
BUTYLNITROSOUREA
N-Butylnitrosourea
Nitrosobutylurea
N-Nitrosobutylurea
Urea,N-butyl-N-nitroso
N-butyl-N-nitroso-urea
N-Nitroso-N-butylurea
Urea,1-butyl-1-nitroso
N-N-Butyl-N-nitrosourea
N-Butyl-N-nitroso-harnstoff
Chemical & Physical Properties
[ Density]:
1.22g/cm3
[ Boiling Point ]:
218.9ºC at 760 mmHg
[ Molecular Formula ]:
C5H11N3O2
[ Molecular Weight ]:
145.16000
[ Flash Point ]:
86.2ºC
[ Exact Mass ]:
145.08500
[ PSA ]:
75.76000
[ LogP ]:
1.54890
[ Index of Refraction ]:
1.518
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YS3850000
- CHEMICAL NAME :
- Urea, 1-butyl-1-nitroso-
- CAS REGISTRY NUMBER :
- 869-01-2
- BEILSTEIN REFERENCE NO. :
- 1768951
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 53
- MOLECULAR FORMULA :
- C5-H11-N3-O2
- MOLECULAR WEIGHT :
- 145.19
- WISWESSER LINE NOTATION :
- ZVN4&NO
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 400 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4867 mg/kg/24W-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 mg/kg female 22 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 16512 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Reproductive - Tumorigenic effects - other reproductive system tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 300 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 mg/kg female 22 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 300 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 mg/kg female 22 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 120 mg/kg female 22 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2800 mg/kg/10W-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Blood - leukemia
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 581 mg/kg/50W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 960 mg/kg/81W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - colon tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1400 mg/kg/5W-C
- TOXIC EFFECTS :
- Tumorigenic - Carcinogenic by RTECS criteria Gastrointestinal - tumors Blood - leukemia
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 2800 mg/kg/10W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 200 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Gastrointestinal - tumors Blood - leukemia
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 300 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1050 mg/kg/5W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3360 mg/kg/12W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - lymphoma, including Hodgkin's disease
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 250 mg/kg female 15 day(s) after conception
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Reproductive - Tumorigenic effects - transplacental tumorigenesis Brain and Coverings - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2400 mg/kg/17W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia Skin and Appendages - tumors
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2505 mg/kg/24W-C
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Blood - leukemia
- TYPE OF TEST :
- TD - Toxic dose (other than lowest)
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 450 mg/kg
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Cardiac - tumors Skin and Appendages - tumors
- TYPE OF TEST :
- Morphological transformation
- TYPE OF TEST :
- DNA damage
- TYPE OF TEST :
- DNA damage
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Sister chromatid exchange
- TYPE OF TEST :
- Cytogenetic analysis
- TYPE OF TEST :
- Cytogenetic analysis
MUTATION DATA
- TYPE OF TEST :
- DNA damage
- TEST SYSTEM :
- Mammal - species unspecified Lymphocyte
- DOSE/DURATION :
- 10 mmol/L
- REFERENCE :
- CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House, Southfield Road, Eynsham, Oxford OX8 1JJ, UK) V.1- 1980- Volume(issue)/page/year: 5,621,1984
Safety Information
[ HS Code ]:
2924199090
Synthetic Route
Customs
[ HS Code ]: 2924199090
[ Summary ]:
2924199090. other acyclic amides (including acyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%